X0306 4 2023-01-03 1 0001486159 Chord Energy Corp CHRD 0001828562 Regan Michael Scott 1001 FANNIN STREET SUITE 1500 HOUSTON TX 77002 0 1 0 0 Executive VP, GC & Secretary Common Stock 2023-01-03 4 F 0 19366 131.77 D 24250 D The Reporting Person ceased to serve as the Issuer's Executive Vice President, General Counsel & Secretary on December 30, 2022. In connection with the Reporting Person's departure, all outstanding equity awards held by the Reporting Person (which consist solely of common stock equivalents such as restricted stock units that were previously reported in Table I) accelerated in full. The number reported represents shares withheld by the Issuer to satisfy tax withholding obligations of the Reporting Person that arose in connection with the vesting and settlement of such equity awards. /s/ Michael Scott Regan 2023-01-05